:root{--bg:#0a1020;--bg2:#101a30;--panel:#15213b;--panel2:#1b2a4a;--ink:#e9eef8;--mute:#a9b5cc;--line:#2a3b5f;
--amber:#ffb703;--amber2:#ffd166;--teal:#2ec4b6;--red:#ef476f;--font:"Outfit",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{width:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:400 17px/1.7 var(--font);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--amber2);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#fff}
h1,h2,h3{font-family:var(--font);line-height:1.15;margin:0 0 .6em;color:#fff;overflow-wrap:anywhere}
h1{font-weight:800;font-size:clamp(1.9rem,5.4vw,3.3rem);letter-spacing:-.02em}
h2{font-weight:800;font-size:clamp(1.45rem,3.4vw,2.15rem);letter-spacing:-.01em}
h3{font-weight:600;font-size:1.2rem}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin:.35em 0}
.lk-wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
/* progress + top */
.lk-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:60;background:transparent}
.lk-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--amber))}
.lk-top{position:fixed;right:16px;bottom:16px;width:46px;height:46px;border-radius:50%;border:0;background:var(--amber);color:#1a1200;
display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50}
.lk-top.is-on{opacity:1;pointer-events:auto}
/* header */
.lk-bar{position:sticky;top:0;z-index:40;display:flex;align-items:center;flex-wrap:wrap;gap:14px;
padding:10px max(20px,calc((100% - 1160px)/2));background:rgba(10,16,32,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.lk-bar__logo{display:block;width:132px;flex:0 0 auto}
.lk-bar__logo img{width:132px;height:auto}
.lk-bar__burger{margin-left:auto;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;
border:1px solid var(--line);background:var(--panel);color:#fff;font:600 .95rem var(--font);font-size:15px;cursor:pointer}
.lk-bar__nav{display:none;flex:0 0 100%;width:100%;padding:8px 0 14px}
.lk-bar__nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.lk-bar__nav a{display:block;padding:12px 4px;color:var(--ink);text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
.lk-bar__nav a[aria-current]{color:var(--amber)}
.lk-nav--open{display:block;flex:0 0 100%;width:100%}
.lk-bar .lk-nav__cta{display:block;margin-top:12px;text-align:center;padding:13px 18px;border-radius:12px;background:var(--amber);color:#1a1200;font-weight:800;border:0}
.lk-bar__cta{display:none !important}
@media(min-width:960px){
.lk-bar__burger{display:none}
.lk-bar__nav{display:block;flex:1 1 auto;width:auto;min-width:0;margin-left:auto;padding:0}
.lk-bar__nav ul{flex-direction:row;justify-content:flex-end;gap:4px}
.lk-bar__nav a{border:0;padding:10px 12px;border-radius:10px;font-size:.98rem}
.lk-bar__nav a:hover{background:var(--panel)}
.lk-bar .lk-bar__nav .lk-nav__cta{display:none}
.lk-bar__cta{display:inline-flex !important;align-items:center;padding:11px 20px;border-radius:12px;background:var(--amber);color:#1a1200;font-weight:800;text-decoration:none;flex:0 0 auto}
.lk-bar__cta:hover{background:var(--amber2);color:#1a1200}
}
/* crumbs */
.lk-crumbs{background:var(--bg2);border-bottom:1px solid var(--line);font-size:.9rem;color:var(--mute)}
.lk-crumbs .lk-wrap{display:flex;gap:10px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.lk-crumbs a{color:var(--mute)}
/* hero */
.lk-hero{position:relative;overflow:hidden;padding:56px 0 46px;background:
radial-gradient(900px 400px at 85% -10%,rgba(46,196,182,.22),transparent 60%),
radial-gradient(700px 380px at -5% 110%,rgba(255,183,3,.16),transparent 60%),linear-gradient(180deg,#0e1a33,#0a1020)}
.lk-hero__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:30px;align-items:center}
.lk-eyebrow{display:inline-block;margin-bottom:16px;padding:6px 14px;border-radius:999px;border:1px solid var(--teal);color:var(--teal);font-weight:600;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.lk-lede{font-size:1.14rem;color:#d3dcee;max-width:62ch;margin:0}
.lk-hero__fig{margin:0}
.lk-hero__fig img{width:100%;border-radius:20px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.lk-sheet{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}
.lk-sheet h2{font-size:1.05rem;color:var(--amber);margin-bottom:12px;text-transform:uppercase;letter-spacing:.07em}
.lk-sheet ul{list-style:none;margin:0;padding:0}
.lk-sheet li{display:flex;gap:10px;align-items:flex-start;margin:.55em 0;color:#dbe3f3}
.lk-sheet li svg{flex:0 0 auto;margin-top:5px;color:var(--teal)}
@media(min-width:900px){.lk-hero__grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}}
.lk-facts{background:var(--panel);border-block:1px solid var(--line)}
.lk-facts ul{list-style:none;margin:0 auto;padding:0 20px;max-width:1160px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.lk-facts li{margin:0;padding:16px 10px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column}
.lk-facts b{color:var(--amber);font-size:1.25rem;font-weight:800;overflow-wrap:anywhere}
.lk-facts span{color:var(--mute);font-size:.88rem}
@media(min-width:900px){.lk-facts ul{grid-template-columns:repeat(4,minmax(0,1fr))}.lk-facts li{border-bottom:0}}
/* sections */
.lk-sec{padding:54px 0;counter-increment:lk-s;position:relative}
main{counter-reset:lk-s}
.lk-sec:nth-of-type(even){background:var(--bg2)}
.lk-sec--glow{background:linear-gradient(135deg,#12294a,#0f2038 60%,#0b2a2e)!important}
.lk-sec h2::before{content:counter(lk-s,decimal-leading-zero);display:block;font-size:.8rem;letter-spacing:.2em;color:var(--teal);font-weight:600;margin-bottom:6px}
.lk-sec--faq h2::before{content:"FAQ"}
.lk-prose{max-width:76ch}
.lk-split{display:grid;gap:26px;grid-template-columns:minmax(0,1fr);align-items:center}
@media(min-width:900px){.lk-split{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.lk-split--flip>:first-child{order:2}}
.lk-fig{margin:0}
.lk-fig img{width:100%;border-radius:16px;border:1px solid var(--line)}
.lk-fig figcaption{font-size:.86rem;color:var(--mute);margin-top:8px}
/* components */
.lk-note{border-left:4px solid var(--amber);background:var(--panel);border-radius:0 14px 14px 0;padding:16px 20px;margin:0 0 1.2em}
.lk-note p:last-child{margin-bottom:0}
.lk-grid{display:grid;gap:16px;grid-template-columns:minmax(0,1fr);margin:0 0 1.3em}
@media(min-width:700px){.lk-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.lk-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.lk-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;border-top:3px solid var(--teal)}
.lk-card h3{margin-bottom:.4em}
.lk-card p:last-child{margin:0}
.lk-stats{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 0 1.3em}
@media(min-width:800px){.lk-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.lk-stat{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:14px;padding:16px}
.lk-stat b{display:block;color:var(--amber);font-size:1.5rem;font-weight:800;overflow-wrap:anywhere}
.lk-stat span{color:var(--mute);font-size:.9rem}
.lk-chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 1.3em}
.lk-chips li{margin:0;padding:7px 14px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);font-size:.92rem}
.lk-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.3em;border-radius:14px;border:1px solid var(--line)}
.lk-table{border-collapse:collapse;width:100%;font-size:.96rem}
.lk-table th{background:var(--panel2);color:var(--amber);text-align:left;font-weight:600;padding:12px 14px}
.lk-table td{padding:11px 14px;border-top:1px solid var(--line);vertical-align:top}
.lk-table tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.lk-steps{list-style:none;counter-reset:lk-n;padding:0;margin:0 0 1.3em;border-left:2px solid var(--line);margin-left:16px}
.lk-steps li{counter-increment:lk-n;position:relative;padding:0 0 22px 34px;margin:0}
.lk-steps li::before{content:counter(lk-n);position:absolute;left:-17px;top:0;width:32px;height:32px;border-radius:50%;background:var(--amber);color:#1a1200;font-weight:800;display:grid;place-items:center}
.lk-steps strong{display:block;color:#fff;margin-bottom:2px}
/* promo */
.lk-promo{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 18px;border-radius:16px;background:var(--panel);border:1px dashed var(--amber);margin:0 0 1.3em}
.lk-promo__label{font-weight:600;color:var(--mute)}
.lk-promo__code{font-size:1.05rem;font-weight:800;letter-spacing:.12em;padding:6px 14px;border-radius:8px;border:1px solid var(--amber);color:var(--amber)}
.lk-promo__btn{min-height:44px;padding:0 18px;border-radius:10px;border:0;background:var(--amber);color:#1a1200;font:800 .95rem var(--font);cursor:pointer}
.lk-promo__hint{flex:1 1 100%;font-size:.9rem;color:var(--mute)}
/* tabs */
.lk-tabs [role=tablist]{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.lk-tabs [role=tab]{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:600 .95rem var(--font);cursor:pointer}
.lk-tabs [role=tab][aria-selected=true]{background:var(--teal);color:#06231f;border-color:var(--teal)}
.lk-tabs [role=tabpanel]{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.lk-tabs [role=tabpanel]>*:last-child{margin-bottom:0}
/* calculator */
.lk-calc{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;margin:0 0 1.3em}
.lk-calc label{display:block;font-weight:600;margin-bottom:6px}
.lk-calc select{width:100%;min-height:46px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--ink);padding:0 12px;font:inherit}
.lk-calc input[type=range]{width:100%;accent-color:var(--amber);min-height:34px}
.lk-calc__out{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:14px}
.lk-calc__out div{background:var(--bg2);border-radius:12px;padding:12px}
.lk-calc__out b{display:block;color:var(--amber);font-size:1.2rem;overflow-wrap:anywhere}
.lk-calc__out span{font-size:.85rem;color:var(--mute)}
/* stepper */
.lk-stepper{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;margin:0 0 1.3em}
.lk-stepper__dots{display:flex;gap:8px;margin-bottom:14px}
.lk-stepper__dots i{flex:1;height:6px;border-radius:3px;background:var(--line)}
.lk-stepper__dots i.is-on{background:var(--amber)}
.lk-stepper [data-pane]{display:none}
.lk-stepper [data-pane].is-on{display:block}
.lk-stepper__nav{display:flex;gap:10px;margin-top:14px}
.lk-stepper__nav button{min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--ink);font:600 .95rem var(--font);cursor:pointer}
.lk-stepper__nav button[data-next]{background:var(--amber);color:#1a1200;border-color:var(--amber)}
.lk-stepper__nav button:disabled{opacity:.4;cursor:default}
/* diagnose */
.lk-diag{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;margin:0 0 1.3em}
.lk-diag__opts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.lk-diag__opts button{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg2);color:var(--ink);font:600 .93rem var(--font);cursor:pointer}
.lk-diag__opts button[aria-pressed=true]{background:var(--red);border-color:var(--red);color:#fff}
.lk-diag__out{background:var(--bg2);border-radius:12px;padding:14px 16px;min-height:3.2em}
/* checklist */
.lk-check{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin:0 0 1.3em}
.lk-check ul{list-style:none;margin:0 0 12px;padding:0}
.lk-check label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;min-height:44px;padding:6px 0}
.lk-check input{margin-top:6px;width:18px;height:18px;accent-color:var(--teal)}
.lk-check__bar{height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.lk-check__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--amber));transition:width .25s}
.lk-check__msg{margin-top:8px;font-size:.92rem;color:var(--mute)}
/* cta */
.lk-cta{padding:22px 0;margin:0 0 34px;border-radius:16px;background:linear-gradient(90deg,rgba(255,183,3,.1),rgba(46,196,182,.1))}
.lk-cta .lk-wrap{padding-left:0;padding-right:0}
.lk-cta .lk-wrap{display:flex;justify-content:center}
.lk-btn{display:inline-flex;align-items:center;gap:10px;min-height:50px;padding:0 28px;border-radius:14px;background:var(--amber);color:#1a1200;font-weight:800;text-decoration:none;font-size:1.02rem;box-shadow:0 10px 30px rgba(255,183,3,.25)}
.lk-btn:hover{background:var(--amber2);color:#1a1200}
/* faq */
.lk-faq{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin:0 0 10px}
.lk-faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;min-height:48px;color:#fff}
.lk-faq summary::-webkit-details-marker{display:none}
.lk-faq summary::after{content:"+";float:right;color:var(--amber);font-weight:800}
.lk-faq[open] summary::after{content:"–"}
.lk-faq__a{padding:0 20px 16px;color:#d3dcee}
.lk-faq__a p{margin:0}
/* footer */
.lk-foot{background:#070c18;border-top:1px solid var(--line);padding:44px 0 24px;color:var(--mute);font-size:.95rem}
.lk-foot__top{display:grid;gap:26px;grid-template-columns:minmax(0,1fr)}
@media(min-width:860px){.lk-foot__top{grid-template-columns:1.4fr 1fr 1fr 1.4fr}}
.lk-foot h2{font-size:1rem;color:#fff;margin-bottom:10px}
.lk-foot ul{list-style:none;margin:0;padding:0}
.lk-foot a{color:var(--mute)}
.lk-age{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;border:2px solid var(--red);color:var(--red);font-weight:800;margin-bottom:8px}
.lk-legal{border-top:1px solid var(--line);margin-top:28px;padding-top:16px;font-size:.88rem}
.lk-404{text-align:center;padding:80px 0}
@media(max-width:480px){body{font-size:16px}.lk-sec{padding:40px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}